This is the Highland Tempest Pocket Securely Holds Scuba Diving Accessories Features: 2 attachment options Tri-fold web loops clamp onto 2 (50 mm) harness webbing SS D-rings allow attachment to backplate using double-enders Main zipper up against stiffener panel for one-hand operation Made from 1000D nylon for extreme durability Both pockets have quick water drainage Extra wide for spare mask, reels, spools, and SMB The Highland Tempest Pocket securely holds your critical accessories. The large, zippered pocket is ideal for a spare mask, reel, or SMB. The front accessory pocket is ideal for a spool or a jonline. An internal D-ring and loop attachment points prevent accidental loss of accessories. The Tempest Pocket, made from 1000D nylon, offers multiple mounting options and efficient drainage."